linux-kernel - next-20241216: drivers/crypto/qce/sha.c:365:3: error: cannot jump from this goto statement to its label

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Message-ID: <CA+G9fYtpAwXa5mUQ5O7vDLK2xN4t-kJoxgUe1ZFRT=AGqmLSRA@mail.gmail.com>
Date: Mon, 16 Dec 2024 22:04:05 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: open list <linux-kernel@...r.kernel.org>, 
	Linux Crypto Mailing List <linux-crypto@...r.kernel.org>, lkft-triage@...ts.linaro.org, 
	Linux Regressions <regressions@...ts.linux.dev>, clang-built-linux <llvm@...ts.linux.dev>
Cc: thara gopinath <thara.gopinath@...il.com>, Herbert Xu <herbert@...dor.apana.org.au>, 
	"David S. Miller" <davem@...emloft.net>, Neil Armstrong <neil.armstrong@...aro.org>, 
	Anders Roxell <anders.roxell@...aro.org>, Dan Carpenter <dan.carpenter@...aro.org>, 
	Arnd Bergmann <arnd@...db.de>
Subject: next-20241216: drivers/crypto/qce/sha.c:365:3: error: cannot jump
 from this goto statement to its label

The arm and arm64 builds failed on Linux next-20241216 due to following
build warnings / errors with clang-19 and clang-nightly toolchain.
Whereas the gcc-13 builds pass.

arm, arm64:
  * build/clang-19-defconfig
  * build/clang-nightly-defconfig

First seen on Linux next-20241216.
  Good: next-20241216
  Bad:  next-20241213

Build log:
-----------
fs/netfs/read_retry.c:235:20: warning: variable 'subreq' is
uninitialized when used here [-Wuninitialized]
  235 |         if (list_is_last(&subreq->rreq_link, &stream->subrequests))
      |                           ^~~~~~
fs/netfs/read_retry.c:28:36: note: initialize the variable 'subreq' to
silence this warning
   28 |         struct netfs_io_subrequest *subreq;
      |                                           ^
      |                                            = NULL
1 warning generated.
drivers/crypto/qce/sha.c:365:3: error: cannot jump from this goto
statement to its label
  365 |                 goto err_free_ahash;
      |                 ^
drivers/crypto/qce/sha.c:373:6: note: jump bypasses initialization of
variable with __attribute__((cleanup))
  373 |         u8 *buf __free(kfree) = kzalloc(keylen + QCE_MAX_ALIGN_SIZE,
      |             ^
1 error generated.

Links:
-------
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241216/testrun/26350650/suite/build/test/clang-19-defconfig/log
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241216/testrun/26350650/suite/build/test/clang-19-defconfig/history/
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241216/testrun/26351207/suite/build/test/clang-19-defconfig/details/
 - https://storage.tuxsuite.com/public/linaro/lkft/builds/2qHsa6j5c1HY3GRZFGrxu2ELo3f/

Steps to reproduce:
------------
# tuxmake --runtime podman --target-arch arm64 --toolchain clang-19
--kconfig defconfig LLVM=1 LLVM_IAS=1

metadata:
----
  git describe: next-20241216
  git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
  git sha: e25c8d66f6786300b680866c0e0139981273feba
  kernel config:
https://storage.tuxsuite.com/public/linaro/lkft/builds/2qHsa8wFmfrlj0VdDqAG408o3l2/config
  build url: https://storage.tuxsuite.com/public/linaro/lkft/builds/2qHsa8wFmfrlj0VdDqAG408o3l2/
  toolchain: clang-19
  config: clang-19-defconfig
  arch: arm64, arm

 --
Linaro LKFT
https://lkft.linaro.org